protected override void OnNavigatedTo(NavigationEventArgs e)
{
Type type = e.Parameter.GetType();
TotalAmountUOMTextBox.ItemsSource = _unitOfMeasureList;
if (type == typeof(FoodCategoryViewModel))
{
FoodCategoryViewModel category = (FoodCategoryViewModel)e.Parameter;
CategoryTextBox.Text = category.Name;
CategoryTextBox.IsReadOnly = true;
_existingMealItem = new MealItemViewModel();
_existingMealItem.Category = category.Name;
}
else if (type == typeof(MealItemViewModel))
{
_existingMealItem = (MealItemViewModel)e.Parameter;
CategoryTextBox.Text = _existingMealItem.Category;
CategoryTextBox.IsReadOnly = true;
NameTextBox.Text = _existingMealItem.Name;
NameTextBox.IsReadOnly = true;
ingredientsViewModel = new IngredientsViewModel();
_selectedIngredientsList = ingredientsViewModel.GetIngredients(_existingMealItem.IngredientIDsWithTotalAmount);
TotalAmountTextBox.Text = _existingMealItem.TotalAmount.ToString();
TotalAmountUOMTextBox.SelectedIndex = _existingMealItem.TotalAmountUnitOfMeasure-1;
var copy = new ObservableCollection<IngredientViewModel>(_selectedIngredientsList);
foreach (var ingredient in copy)
{
FindAndRemoveIngredient(_allIngredients, ingredient);
}
}
AllIngredientsList.ItemsSource = _allIngredients;
SelectedIngredientsList.ItemsSource = _selectedIngredientsList;
}
private void MealItemsListView_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
IngredientsListView.ItemsSource = null;
IngredientsListView.Items.Clear();
MealItemViewModel mealItem = null;
mealItem = (MealItemViewModel)MealItemsGridView.SelectedItem;
if (mealItem != null)
{
ingredientsViewModel = new IngredientsViewModel();
ObservableCollection<IngredientViewModel> ingredients = ingredientsViewModel.GetIngredients(mealItem.IngredientIDsWithTotalAmount);
IngredientsListView.ItemsSource = ingredients;
}
}
private string GetIngredientsAsText(IngredientsViewModel ingredientsView,
MealItemViewModel mealItem, Dictionary<float,float> mealItemIDsWithWeight)
{
StringBuilder sb = new StringBuilder();
ObservableCollection<IngredientViewModel> ingredients =
ingredientsView.GetIngredients(mealItem.IngredientIDsWithTotalAmount);
if (ingredients.Count > 0)
{
//sb.Append(@"\b ");
int loopCount = 0;
UnitOfMeasureViewModel unitOfMeasure = new UnitOfMeasureViewModel();
MealItemViewModel defaultMealItem = new MealItemViewModel();
defaultMealItem = defaultMealItem.GetMealItemById(mealItem.Id);
foreach (var ingredient in ingredients)
{
float ingredientDefaultWeight = mealItem.IngredientIDsWithTotalAmount[ingredient.Id];
if (defaultMealItem.TotalAmount == 0) defaultMealItem.TotalAmount = 1;
float ingredientWeight = (ingredientDefaultWeight / defaultMealItem.TotalAmount) * mealItemIDsWithWeight[mealItem.Id];
decimal roundedIngredientWeight = Math.Round((decimal)ingredientWeight, 0);
string uomName = unitOfMeasure.GetUnitOfMeasure(ingredient.UnitOfMeasure).Abbreviation;
sb.Append(roundedIngredientWeight.ToString());
sb.Append(uomName).Append(" ");
sb.Append(ingredient.Name);
if ((ingredients.Count >1) && (loopCount < (ingredients.Count-1)))
{ sb.Append(", "); }
loopCount++;
}
//sb.Append(@"\line\b0");
sb.Append(@"\line");
return sb.ToString();
}
else
return "";
}
